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Compressive Strength Analysis of Ternary Blended Concrete Partially Replaced with Rice Husk Ash (RHA) and Wood Ash (WA)
Subject area: Science,Engineering and Technology · Area of research: Civil Engineering
Abstract
The environmental pollution resulting from the production process of cement has contributed to the climate change being experienced worldwide. The need to reduce the rate of depletion of the ozone layer and also to produce durable and sustainable concrete has led to this study. Thirty six (36) concrete cubes of 150 mm x 150 mm x 150 mm were produced with OPC /RHA / WA blended concrete at percentage OPC replacement with pozzolans of 5%, 10% and 15%, Twelve (12) concrete cubes were cast as control. Cubes from the concrete mixes were cured for 7, 14 and 28 days and were crushed to determine their compressive strengths. Experimental work was carried out on Ordinary Portland Cement (OPC), Rice Husk Ash (RHA) and Wood Ash (WA) concrete to determine their essential properties in fresh and hardened state, they are all within the limits specified by relevant standards. It was observed that at 10% replacement the maximum compressive strength of 18.36N/mm2 was obtained for the ternary blended concrete of OPC /RHA /WA at 28 days, representing 35.46% increase in strength over the 100% OPC concrete, indicating the optimal value of compressive strength attained. This indicate that RHA and WA combination is an excellent pozzolans that can be utilize for both binary and ternary blended concrete production.
Keywords
Pozzolans, Ternary, Ozone layer, Pollution, Rice husk ash, Wood ash, Greenhouse gases, Cementious
References
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[2] Arum C., Ikumapayi C. M., Aralepo G.O., (2013). Ashes of Biogenic Wastes – Pozzolanicity, Prospects for Use, and Effects on some Engineering Properties of Concrete. Materials Sciences and Application, Vol. 4, Pp 521 - 527.
[3] Glavind, M. and Munch-Petersen, C, (2002) “Green Concrete –A Life cycle Approach” Proceedings of Challenges of Concrete Construction, University of Dundee.
[4] Malhotra V.M., (2002). Introduction: Sustainable Development and Concrete Technology, ACI Concrete International 24 (7): Pp. 22.
[5] Mehta, P.K., (2001), “Reducing the Environmental Impact of Concrete”, as Cited by A.K.H Kwan, P.L and Fung, W.W.S, (2011), Research Directions for High Performance Concrete, Department of Civil Engineering, The University of Hong Kong, Pokfulam, Hong Kong.
[6] Mehta, P.K and Monteiro, P.J.M, (2006). Concrete – Microstructure, Properties and
[7] Materials. 3rd Edition, McGraw Hill, New york pp:659.
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[9] Park, j., Tae, S., Kim, T., (2012). Life Cycle Assessment of Concrete by Compressive Strength on Construction Site in Korea. Renewable. Sustainable Energy Rev., 16: pp. 2940-2946.
How to cite this paper
@article{1707566,
author = {Ikri Samuel Obokparo, Abraham Divine},
title = {Compressive Strength Analysis of Ternary Blended Concrete Partially Replaced with Rice Husk Ash (RHA) and Wood Ash (WA)},
journal = {Iconic Research And Engineering Journals},
year = {2025},
volume = {8},
number = {9},
pages = {1205-1210},
issn = {2456-8880},
url = {https://www.irejournals.com/formatedpaper/1707566.pdf},
abstract = {The environmental pollution resulting from the production process of cement has contributed to the climate change being experienced worldwide. The need to reduce the rate of depletion of the ozone layer and also to produce durable and sustainable concrete has led to this study. Thirty six (36) concrete cubes of 150 mm x 150 mm x 150 mm were produced with OPC /RHA / WA blended concrete at percentage OPC replacement with pozzolans of 5%, 10% and 15%, Twelve (12) concrete cubes were cast as control. Cubes from the concrete mixes were cured for 7, 14 and 28 days and were crushed to determine their compressive strengths. Experimental work was carried out on Ordinary Portland Cement (OPC), Rice Husk Ash (RHA) and Wood Ash (WA) concrete to determine their essential properties in fresh and hardened state, they are all within the limits specified by relevant standards. It was observed that at 10% replacement the maximum compressive strength of 18.36N/mm2 was obtained for the ternary blended concrete of OPC /RHA /WA at 28 days, representing 35.46% increase in strength over the 100% OPC concrete, indicating the optimal value of compressive strength attained. This indicate that RHA and WA combination is an excellent pozzolans that can be utilize for both binary and ternary blended concrete production.},
keywords = {Pozzolans, Ternary, Ozone layer, Pollution, Rice husk ash, Wood ash, Greenhouse gases, Cementious},
month = {March},
}